Wristwatch



FIG. 1 is a perspective view of the front and right side of a wristwatch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are used in the drawings to show portions of the wristwatch and band that do not form part of the claimed design. 

The ornamental design for a wristwatch, as shown and described. 